Tips for Cutting Foam on a CNC or CNC Machine - WoodWorkers Guild of America
Apr 13, 2022· Standard router bits work great on foam. No need to go looking for specialized cutters. Feed and speeds. For CNC cutting foam you can run at a fast feed rate. 100 inches per minute is fine. But it’s best to lower the rpm on your spindle or router to 10,000 rpm or so. You want to make the CNC is cutting the foam, not burning (and melting) it.